# Description: displays a bar graph of lag in the status window

procs event_PONG 

proc event_PONG {header line} {
    if [string match lag_* $line] {
        set line [split $line _]
        set timer [lindex $line 1]
        set line [lindex $line 2]
        catch "after cancel $timer"
        set num [expr round(([clock clicks -milliseconds] - $line) / 1000.00)]
        [namespace qualifiers [namespace origin event_PONG]]::updatelag $num
    }
}

proc createlagmeter {} {
    if {[winfo exists .0.menubar.lag]} {return}
    frame .0.menubar.lag -relief sunken -bd 1
    pack [frame .0.menubar.lag.0 -bg #009900 -width 5] -side left -padx 1 -pady 2 -fill y
    foreach x "1 2 3 4 5" {
        pack [frame .0.menubar.lag.$x -width 20] -side left -fill y -padx 1 -pady 2
    }
    pack .0.menubar.lag -side right -fill y -pady 2 -ipady 2 -ipadx 1
}

proc lagtimer {} {
    global ume irc server
    if [info exists irc] {
        Send "PING lag_[after 5200 [list [namespace current]::updatelag 7]]_[clock clicks -milliseconds] :$server" 
    }
    after 8000 [list [namespace current]::lagtimer]
}

proc updatelag {num} {
    array set color "1 #009900 2 #009900 3 #AAAA00 4 #990000 5 #990000"
    set bg [.0.menubar.lag cget -bg]
    foreach x "1 2 3 4 5" {
        if {$num >= $x} {
            .0.menubar.lag.$x configure -bg $color($x)
        } else {
            .0.menubar.lag.$x configure -bg $bg
        }
    }
}

proc unload {} {
    foreach x [after info] {
        if {[string match "[namespace current]::*" [lindex [lindex [after info $x] 0] 0]} {after cancel $x}
    }
    destroy .0.menubar.lag
}

after idle [namespace current]::createlagmeter

foreach x [after info] {
    if {[lindex [lindex [after info $x] 0] 0] == "[namespace current]::lagtimer"} {after cancel $x}
}

lagtimer